I've never been a stickler for fitting iridium plugs to any of my bikes as i find standard NGKs do a great job and i struggle to notice any difference between the two, BUT at this price i know i'll get 30,000 worry free miles minimum (maybe double that) and possibly easier starting in Winter so i recommend them highly.
Verified purchase: Yes | Condition: New
I was surprised that these made such a difference. From initial start they seemed crisper with a more responsive throttle ; it was good anyhow on the R1 5PW but now it's noticeably better. I had heard these were good but I hear that about many products - these really are and would put these in all my vehicles until they do an even better product.
Verified purchase: Yes | Condition: New
Bike was running like a bag of spanners. Bought these plugs, fitted them. My pride and joy runs better than it ever has. Even when it was new. Don't hesitate just buy. You won't be sorry.
Verified purchase: Yes | Condition: New
I have used NGK spark plugs in every petrol vehicle I've ever had they are very reliable, I've never had a problem with any of them whatsoever. the iridium plugs are worth the money because they last the longest so there is no need to repeatedly buy them in a short amount of time, I currently have these fitted to my highly tuned Kawasaki ZX-10R and they work alot better than any other spark plug I've used so far.🙂
Verified purchase: Yes | Condition: New
Just what I expected. Have used Iridium spark plugs for years and won't use anything else. Well worth the extra money. Fit and forget, probably never need to change them
Verified purchase: Yes | Condition: New
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